Support stand for irrigation bag



FIG. 1 is a perspective view of a support stand for irrigation bag, showing my new design, the broken line showing of the irrigation bag is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a side elevational view thereof, the opposite side being identical thereto. 

The ornamental design for a support stand for irrigation bag, as shown and described. 